baumann sulphur print 中文意思是什麼
baumann sulphur print
解釋
鮑曼硫印-
Method for the macrographic examination of steel by sulphur print baumann method
鋼的硫印粗視組織檢查法 -
Steel - examination by sulphur print baumann method
鋼的硫印檢驗方法 -
Steel - examination by sulphur print baumann metho
鋼的硫印檢驗方法
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